1340336466 has 48 divisors (see below), whose sum is σ = 3325608000. Its totient is φ = 382182624.

The previous prime is 1340336443. The next prime is 1340336521. The reversal of 1340336466 is 6646330431.

1340336466 is a `hidden beast` number, since 1 + 3 + 4 + 0 + 3 + 3 + 646 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1340336466.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53685 + ... + 74583.

It is an arithmetic number, because the mean of its divisors is an integer number (69283500).

Almost surely, 2^1340336466 is an apocalyptic number.

1340336466 is an abundant number, since it is smaller than the sum of its proper divisors (1985271534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340336466 is a wasteful number, since it uses less digits than its factorization.

1340336466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21423 (or 21420 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

The square root of 1340336466 is about 36610.6059223280. The cubic root of 1340336466 is about 1102.5660385883.

Adding to 1340336466 its reverse (6646330431), we get a palindrome (7986666897).

The spelling of 1340336466 in words is "one billion, three hundred forty million, three hundred thirty-six thousand, four hundred sixty-six".